<template>
    <div class="Son">
      <h3>我是Son组件（孙）, {{ car.name }}--- {{ car.price }}</h3>
    </div>
  </template>
  
  <script >
  import {inject} from 'vue'

    export default {
      name: 'Son',
      setup(){
        let car = inject('car')
        return {car}
    }
    }
  </script>
  
  <style>
    .Son {
      background-color: orange;
      padding: 10px;
    }
  </style>